The QCC8080E from Qualwave is a RF & Microwave Circulator with Frequency 150 to 890 MHz, Bandwidth 80 MHz, Average Power Forward 100 to 1000 W, Insertion Loss 0.5 to 0.6 dB, Isolation 19 to 25 dB. Tags: Module with Connector, Coaxial Circulator. More details for QCC8080E can be seen below.